Update app.py

app.py

@@ -21,7 +21,7 @@ print(f"Example embedding shape: {np.array(example_embedding).shape}")
 
 # Ensure embeddings are 2-dimensional and of type string
 def ensure_2d_embeddings(embeddings):
-    embeddings = np.array(embeddings, dtype=np.std)
+    embeddings = np.array(embeddings, dtype=np.float8)
     if embeddings.ndim == 1:
         embeddings = embeddings.reshape(1, -1)
     return embeddings